1103313213 has 12 divisors (see below), whose sum is σ = 1594024380. Its totient is φ = 735380736.

The previous prime is 1103313181. The next prime is 1103313227. The reversal of 1103313213 is 3123133011.

It is a happy number.

1103313213 is a `hidden beast` number, since 1 + 10 + 331 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 975125529 + 128187684 = 31227^2 + 11322^2 .

It is not a de Polignac number, because 1103313213 - 2⁵ = 1103313181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103313713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41773 + ... + 62861.

It is an arithmetic number, because the mean of its divisors is an integer number (132835365).

Almost surely, 2^1103313213 is an apocalyptic number.

It is an amenable number.

1103313213 is a deficient number, since it is larger than the sum of its proper divisors (490711167).

1103313213 is a wasteful number, since it uses less digits than its factorization.

1103313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26908 (or 26905 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1103313213 is about 33216.1589139985. The cubic root of 1103313213 is about 1033.3154899335.

Adding to 1103313213 its reverse (3123133011), we get a palindrome (4226446224).

The spelling of 1103313213 in words is "one billion, one hundred three million, three hundred thirteen thousand, two hundred thirteen".